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Oksanka [162]
3 years ago
5

Subtract 7x + 2 from –5x2 – 2x.

Mathematics
2 answers:
Triss [41]3 years ago
8 0

Answer:

-5x^2-5x+2

Step-by-step explanation:

-5x^2-2x

         7x+2

Aleks [24]3 years ago
5 0

Answer:

5x^2 + 9x + 2

Step-by-step explanation:

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1 calcule o valor das expressões A) 2x+(3.4)²+(7.7) B) 3x+(2.6)+(8.8)² C)7.6+(28.3)+(4)² D)7x-(7.8)+(9:3)
I am Lyosha [343]

Answer:

Follows are the solution to the given points:

Step-by-step explanation:

Given:

A) \ \ 2x+(3.4)^2+(7.7) \\\\B) \ \ 3x+(2.6)+(8.8)^2\\\\C)\ \ 7.6+(28.3)+(4)^2 \\\\D)\ \ 7x-(7.8)+(9:3)

For point A:

\to  2x+(3.4)^2+(7.7)\\\\\to  2x+(11.56)+(7.7)\\\\\to  2x+19.26\\\\

For point B:

\to 3x+(2.6)+(8.8)^2\\\\\to 3x+(2.6)+77.44\\\\\to 3x+80.04

For point C:

\to \ 7.6+(28.3)+(4)^2 \\\\\to \ 7.6+(28.3)+16 \\\\\to \ 7.6+44.3 \\\\\to 51.9

For point D:

\to 7x-(7.8)+(9:3)\\\\\to 7x-(7.8)+ \frac{9}{3}\\\\\to 7x- \frac{23.4+9}{3}\\\\\to 7x- \frac{32.4}{3}\\\\\to 7x- 10.8

3 0
3 years ago
Math graph equation. <br> (Picture.)
vladimir1956 [14]

Answer:

y = -2x + 3 is the required equation

Step-by-step explanation:

From the graph we will get two ordered pairs

If we see that When x=0 then y=3  and when x = 1 then  y=1

Now from this we can find the slope of the Graph

So slope of graph = (y2 - y1) / (x2-x1)

                               =(1-3) / (1-0)

                                =-2

So

Slope = m = -2

Now the equation is

y = mx + b

We have to find the value of b

as we have two ordered pairs we can take any of it to find the value of b because line passes through those points

taking (0,3) as a point

y= mx + b

put values

3 = -2*(0) + b

so

b=3


Now the equation of the line in this form is

y = mx + b

which is

y = -2x + 3

5 0
3 years ago
SOMEONE ANSWER THESE PLEASE!!
Svetradugi [14.3K]
Answer:
1). Because whole number doesn’t allow decimal numbers.

2). Because whole number doesn’t allow negative numbers. It starts with 0, 1, 2, 3....
7 0
3 years ago
Solve for s.<br><br><br><br> 5/9s+13/9s=24<br><br> btw 5/9 and 13/9 are fractions
Mariulka [41]
S = 12. Message is you need more help :3
8 0
3 years ago
Simplify 20+4(3)÷(-8)
Mashcka [7]

The answer to this problem would be 12. If you need to show work just comment.

4 0
3 years ago
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